1 Astrology
1.1 Origin
1.2 Color
White, Colorless, gray, pink
Yellow, Green, Blue
1.3 Streak
Colorless, White
Not Available
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
Not Available
Earth, Air, Water
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.71-2.722.75-2.80
1
7.18
2.5 Fracture
Handbook of mineralogy (2001), Difficult, Fibrous
Uneven, Granular
2.6 Cleavage
{???} Good
no true cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Not Available
3 Optical Properties
3.1 Luster
Vitreous, Silky
Silky, Vitreous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Gems, Sixth Edition (2006)
Not Available
3.5 Refractive Index
1.581-1.5931.520-1.670
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available